This thesis introduces theory of slicing slurry and lapping slurry and analyzes significance and domestic and foreign development of slicing slurry and lapping slurry . the origin slicing slurry and lapping slurry are improved and the properties of suspension , diffusion , osmosis and defoam are enhanced so that the new slicing slurry and lapping slurry are developed , at the same time the ingredient , effect , and theory are introduced 本文对切削液和研磨液及其原理进行了介绍,分析了它们对所要解决的问题的意义和国内外的发展状况,针对目前的问题对原有的切削液与研磨液进行了改进,使其分散性、悬浮性、渗透性,消泡作用等性质得到改善,得到了新型的切削液和研磨液,并介绍了其成份、作用和原理。